Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (POCI-01-0145-FEDER-029089, PTDC/SAU-OSM/102907/2008, UID/NEU/04539/2013)
Article History
Received: 9 November 2018
Accepted: 20 March 2019
First Online: 3 April 2019